Bulbophyllum pachyrachis (A. Rich.) Griseb. 1864 SECTION Bulbophyllaria [Rchb.f] Griseb. 1864
Photos by Fritz Hamer Copyright © , and the Dr Leslie Garay Archives
Photo by Dario Melgar
Photo by The Image Juicy Website
THROUGH 
Common Name The Broad Rachis Bulbophyllum - The Rat-Tailed Orchid
Flower Size 1/16” [2 mm]
Found in Florida, the Carribean, Mexico, Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Venezuela, Colombia, Ecuador and Bolivia at elevations of sealevel to 1000 meters in tree tops within wet tropical forests as a small sized, hot growing epiphyte with cylindrical, quadrate pseudobulbs carrying 2 apical, narrowly elliptic, gradually narrowing below into the conduplicate base leaves that blooms in the spring through fall, on a basal, erect to pendant, bracteate, 18” [50 cm] long inflorescence arisng on a mature pseudobulb that is swollen towards the apex with the flowers embedded into the rachis and arises
This species needs hot, humid, slightly shaded conditions to thrive.
Synonyms ; Bolbophyllaria pachyrachis (Griseb.) Rchb. f. 1861; Bulbophyllum ecuadorense Schltr. 1921; Bulbophyllum pinelianum (A.Rich.) Ormerod 2016; Phyllorchis pachyrachis (A. Rich.) Kuntze 1891; *Pleurothallis pachyrachis A. Rich. 1850
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1855 as Bulbophyllaria oerstedii; Symbolae Antillanae Vol VI Orchidaceae Urban 1909; Flora of Jamaica Fawcett & Rendle 1910 Drawing fide; *Repert. Sp. Nov. Regni. Veg. Beih. 19: 135. Costa Rica Schlechter 1923 as B vinosum; The Orchids of Panama L.O. Williams & P Allen 1946 drawing fide; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 as B bracteolatum drawing fide; Native Orchids of Trinidad Schultes 1960; Encyclopedia of Cultivated Orchids Hawkes 1965; Flora de Venezuela Volumen XV Part 4 Foldats 1970 drawing fide; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970; The Native Orchids of Florida Luer 1972 drawing/photos fide; Las Orquedias de El Salvador Hamer 1974 drawing/photo fide; AOS Bulletin Vol 44 #8 1975; Orchidaceae Brasilenses Band 1 Pabst & Dungs 1975 drawing fide; Orchids of Venezuela, An illustrated field guide] Vol. 1 Dunsterville and Garay 1979 as B bracteolatum drawing fide; Icones Planetarum Tropicarum Plate 013 Dodson 1980 drawing ok; Las Orquideas De El Salvador Vol 3 Hamer 1981 drawing ok; Icones Planetarum Tropicarum Plate 626 Hamer & Dodson 1982 drawing ok; Die Orchideen lieferung 13 753 - 816 Bulbophyllinae 1983; Icones Planetarum Tropicarum Plate 626a & Dodson 1985 as B oerstedii drawing ok; Orchids of Panama Williams 1985; Orchids of Guatemala and Belize Ames & Correll 1985; Selbyana Vol 10 Orchids of Central America Hamer 1988 as B oerstedii drawing fide; Icones Planetarum Tropicarum Series II plate 0205 Dodson & Vasquez 1989 drawing fide; Icones Planetarum Tropicarum Plate 1406 Mora & Atwood 1992 as B oerstedii drawing fide; Field Guide to the Orchids of Costa Rica and Panama 1993; An Orchid Flora Of Puerto Rico and the Virgin Islands Ackerman 1995; AOS Bulletin Vol 69 No 4 2000 photo; Orchids of Venezuela [An illustrated field guide] Vol. 1 Ramiro and Carnevali 2000 as B oerstedii drawing fide; Orchidaceae Antillanae Nir 2000; Bulbophyllums and Their Allies Seigerist 2001; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 as B oerstedii; Manual De Plantas de Costa Rica Volumen 3 Hammel, Grayum, Herrera and Zamora 2003 drawing fide; Flora Of Ecuador # 76 225[2] Dodson & Luer 2005 as B oerstedii; Orchids of Cuba Llamacho & Larramendi 2005 photo fide; Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 photo fide; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo fide; Orchids of French Guiana Szlachetko, Veyret, Mynik-Ejsmont, Sawicka, Ruthkowski and Baranow 2012 as B oerstedii photo/drawing fide; Orchids of French Guiana Szlachetko, Veyret, Mynik-Ejsmont, Sawicka, Ruthkowski and Baranow 2012 photo/drawing fide; Orchids of Tropical America an introduction and guide Meisel 2014 photo fide; Orchid Flora of the Greater Antilles Ackerman 2014; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing good/photo ok; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 photo fide
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